I recently spoke at the Drupal Melbourne meetup about running Puppet and Docker to increase security for running multiple sites on the one host. It's alot of work to get setup properly for a remote speaker so I would like to thank the organisers for allowing me to present.
Welcome back to the pond! Last week we touched on the importance of mentoring juniors and Github best practices. In this week's episode, we'll be following up on the junior workflow from last week by discussing two tools you should definitely have and how to install them, exploring new ground by touching on some entry level SCSS techniques, sharing my AHA! and FAIL moments of the week, and lastly, our weekly query for you good people out there to ponder. So lets jump right into it shall we?
With the rapidly approaching release of Drupal 8, many Symfony developers may be considering going to Austin for DrupalCon in June. Our advice? Do it!
Postfix (and many other mail servers) offers one nice address extension feature: addresses like <user+whaterver@> are implicit aliases to <user@>. This allows users to implement a simple measure to fight spam:
- when SomeCompany® or whatever asks for your email address, give them <user+somecompany@>;
- if you start receiving spam at that address, you know who sold or was stolen your address;
- finally, you will be able to disable that address so messages are simply refused with a permanent error code.
So, here is how to implement that last step with Postfix, when you detect that your extended address <user+evilcorp@> is being spammed. In /etc/postfix/main.cf:smtpd_recipient_restrictions = check_recipient_access hash:/etc/postfix/recipients, […]
Then, create /etc/postfix/recipients containing the addresses to disable:email@example.com 553 5.7.1 I did not subscribe to receive spam, go a way
Of course, the error codes and message can be freely configured, just make sure you are using a permanent error code so senders do not retry. Hash that table, reload Postfix and it is done:# postmap /etc/postfix/recipients # service postfix reload
After that, your mail server will reject messages sent to these addresses. And it will do so at the RCPT TO step, saving your bandwidth for more useful things.
In the lead up to the release of Debian wheezy, there was quite some debate about the Mumble conferencing software which uses the deprecated and unsupported CELT codec. Although Mumble has very recently added Opus support, it is still limited by the fact that it is a standalone solution without any support for distributed protocols like SIP or XMPP.Making SIP conferencing easy
Of course, people could always set up SIP conferences by installing Asterisk but for many use cases that may be overkill and may simply introduce alternative security and administration overheads.Enter reConServer
The popular reSIProcate SIP stack includes a high-level programming API, the Conversation Manager, dubbed librecon. It was developed and contributed to the open source project by Scott Godin of SIP Spectrum. In very simple terms, a Conversation object with two Participants is a phone call. A Conversation object with more than two Participants is a conference.
The original librecon includes a fully functional demo app, testUA that allows you to control conferences from the command line.
As part of Google Summer of Code 2013, Catalin Constantin Usurelu took the testUA.cxx code and converted it into a proper daemon process. It is now available as a ready-to-run SIP conferencing server package in Debian and Ubuntu.The quick and easy way to try it
Normally, a SIP conferencing server will be linked to a SIP proxy and other infrastructure.
For trying it out quickly, however, no SIP proxy is necessary.
Simply install the package with the default settings and then configure a client to talk to the reConServer directly by dialing the IP address of the server.
For example, set the following options in /etc/reConServer/reConServer.config:UDPPort = 5062 EnableAutoAnswer = true
and it will happily accept all SIP calls sent to the IP address where it is running.
Now configure Jitsi to talk to it directly in serverless SIP configuration:
Notice here that we simply put a username without any domain part, this tells Jitsi to create an account that can operate without a SIP proxy or registration server:Calling in to the conference
Notice in the screenshot below we simply dial the IP address and port number of the reConServer process, sip:192.168.1.100:5062. When the first call comes in, reConServer will answer and place the caller on hold. When the next caller arrives, the hold should automatically finish and audio will be heard.Next steps
To make it run as part of a proper SIP deployment, set the necessary configuration options (username, password, proxy) to make reConServer register to the SIP proxy. Users can then call the conference through the proxy.
Consider using Wireshark to observe the SIP packets and learn more about the protocol.
The aim is to bring more visitors to your website.
If your website is built using the Drupal CMS, this article will give you an easy tip that will both improve the experience for your visitors when they are on your site and help boost your search engine rankings.
The method is made easy using the Similar by Terms module for Drupal, and exploits the need for visitors to be able to find other relevant content when they are on your website.Why use Similar by Terms?
Search engines such as Google are looking at hundreds of factors when they decide which pages to display prominently in search engine results pages (SERPs).
These factors include content, quality and context.
Your site is more likely to be placed highly in SERPS (leading to more traffic) if Google identifies that it is authoritative on a particular subject. Links around between pages on your website will help Google recognise the topic that each page on your website covers, and means that it is more likely to rank highly for that searches on that topic.
Do not get confused, this is not the same as link building from other websites (for which care needs to be taken as search engines will penalise you if these are unnatural).
Similar by Terms provides an automated means of displaying related content links on your website. It does this by comparing the taxonomy terms that each node is tagged with, and creating a simple ranking based on the overlapping terms from which it can draw the top few nodes to show to your visitors as links.
Links to relevant content also improve the experience for your visitors, by giving them suggestions for what to read next. A visitor is much more likely to find links useful (and continue to browse your website) if the links are relevant to the page that they are already on.How to install Similar by Terms
To install Similar by Terms, download the code from http://drupal.org/project/similarterms and enable on your website by visiting the /admin/modules page.
Similar by Terms exposes a view to your website, and the next thing you will want to do is edit this to suit your needs. The view can be found at the page /admin/structure/views.
The default view is quite basic, and simply returns a list of the titles of the related nodes. You will likely want to edit this (perhaps to also show a teaser or image from the node). These edits can be made just like any other view.
One setting that is unique to Similar by Terms is the taxonomy vocabularies that are considered when ranking nodes for similarity. You can opt to include just one, or all of your vocabularies in the comparison.
To do this, click "Advanced" on the right hand side of the edit screen, then click on "Similar By Terms: Nid" in the contextual filters section.
Now a dialog appears where you can choose which vocabularies to use.
You can also create your own views utilising the functionality provided by Similar by Terms. Simply copy the relationships and sorting rules that exist in the default view that Similar by Terms provided.One last hint
The default behaviour of Similar By Terms will only show nodes in the list that share one or more taxonomy terms with the node being viewed.
This means, that you might only see one related node, or even none at all.
For the styling of your website you're likely to want to always show the same number of nodes in the list. Whilst there is a feature request in the issues queue for this, there is a simple method that will solve this for you straight away.
The answer is to create a new taxonomy vocabulary called "Included in Similar By Terms", with a single term called "Included". Let that term default on all nodes on your website. This way, all nodes will have at least one taxonomy term in common, and the real similar nodes will rise to the top of the list above those that aren't really related.Category: WebsitesTags: DrupalSimilar by TermsDrupal Planetrelated contenttutorialhow to
An interesting platform I came across recently for developing and deploying cloud applications is OpenShift by RedHat. OpenShift is a next generation application hosting platform. The software running this service is open-sourced under the name OpenShift Origin, and is available on GitHub. Developers use Git to deploy web applications in different languages to the platform.
On the eve of 2013, prolific Drupal contributor Larry Garfield put forth a challenge to "get off the island", and judging by the adoption of non-Drupal projects in Drupal 8 core I would say the community has responded.
Drupal 8 is bringing some great new features in addition to some fun DX changes. One of the ways I like to learn about these changes is to deconstruct the API.
The best way to deconstruct the API is to dive into code that has a certain purpose, like looking at the Breadcrumb API.
Since we know we’re focusing on Drupal 7 to Drupal 8 changes, we can also use the excellent documentation in the change records to help us.
A lot of custom blocks that show related content, connected taxonomy, or any other relationship to currently viewed page typically depend on menu_get_object(). I’m sad to say that our old friend is gone.
In Drupal 8, the way to get details about nodes are through the attributes of the request object in the global \Drupal namespace.
While the DX of this implementation is currently being discussed, as of this writing, to get details about the current node:<?php $node = \Drupal::request()->attributes->get('node'); ?> drupal_render() is EVERYTHING!
Consistency is a big theme (no pun intended) in Drupal 8. Render arrays are the main driver to staging content to be passed to the theme layer.
As such, the theme() function is now gone.
Instead, a new #theme array key is passed to build a piece of content programmatically.
For old core theme functions, like theme_table() or theme_link(), you can pass in the ‘table’ or ‘link’ keyword, respectively, to the #type array key.
As noted in the change record, to create a table of data with a pager, set the various keys, then pass it to drupal_render():<?php // Theme is available as an element type (may have additional processing in rendering). $table = array( '#type' => 'table', '#header' => $header, '#rows' => $rows, '#attributes' => array( 'id' => 'my-module-table', ), ); $markup = drupal_render($table); // Pager is not an element type, use #theme directly. $pager = array('#theme' => 'pager'); $markup = drupal_render($pager); ?> Want More?
I hope to you see in you in NYC this weekend!
Today Microsoft ends support for Windows XP.
To keep my friends’ PC-s currently running XP secure I announce the the “Move friends from XP to Linux days”.
If you are my friend feel free to contact me and we find some time to install Ubuntu on your machine keeping your Windows installation bootable as long as you want. Ubuntu is a Debian derivative Linux distribution which is easy to use.
After few betas, Inline Manual Drupal module has reached stable 1.0 version. Throw screenshots, screencasts and word documents away! Be interactive and agile. :)
"Inline Manual is a service to create interactive, reusable and easy to maintain step-by-step documentation for end-users of a website or application. Be it a tutorial "How to add a new user" within a CMS you've just built or a tutorial showing how to manage specific content."
The Drupal module allows you to:
Ardent team at KnackForge always loves to get hands dirty with challenging projects. In this connection we recently took an interesting newsletter sending project from one of our potential clients who is doing relatively big in Internet marketing.
In brief, we were asked for a custom system for sending out newsletter emails, based on Drupal. Tentatively 600k emails to be sent per month. A newsletter list shall have up to 80k users and limited to a couple of lists to begin with.
Drupal Dev Days Szeged was a great opportunity for me to realize and take part in one of Kristof’s crazy ideas (well, almost as crazy as Drupalcon 2008 was ;) with some great people from the community. While the event turned out to be a success, I’ve learnt a lot that I would like to share with all future organizers through this blog post and other channels.